Codex: اختيار نموذج Codex CLI

# Specify model
codex --model o3

# Specify model + temperature
codex --model gpt-5-codex --temperature 0.2

# Specify model + max tokens
codex --model o3 --max-tokens 8192

# List available models
codex --list-models

# ~/.codex/config.toml
model = "gpt-5-codex"   # Default model

# .codex/config.toml (project-level)
model = "deepseek-coder"  # Project override

# Temporary switch
CODEX_MODEL=o3 codex "Design microservice architecture"

# DeepSeek
export OPENAI_API_KEY="sk-deepseek-xxx"
export OPENAI_BASE_URL="https://api.deepseek.com"
codex --model deepseek-coder

# ~/.zshrc or ~/.bashrc
alias codex-o3='codex --model o3'
alias codex-fast='codex --model o4-mini'
alias codex-deep='export OPENAI_API_KEY="sk-deepseek-xxx"; export OPENAI_BASE_URL="https://api.deepseek.com"; codex --model deepseek-coder'

# Usage
codex-o3 "Design system architecture"
codex-fast "Fix lint errors"
codex-deep "Write unit tests"

# Alice's alias configuration
alias codex-draft='codex --model o4-mini --temperature 0.5'  # Drafting
alias codex-code='codex --model gpt-5-codex --temperature 0.2'  # Coding
alias codex-think='codex --model o3 --temperature 0.1'  # Deep thinking

# Usage
codex-draft "Quickly generate API skeleton"
codex-code "Implement user registration feature"
codex-think "Design distributed caching solution"

#!/bin/bash
# smart-codex.sh - Intelligent model selection

TASK="$1"

# Simple tasks use cheaper models
if echo "$TASK" | grep -qiE "lint|format|comment|typo"; then
  codex --model o4-mini "$TASK"
elif echo "$TASK" | grep -qiE "fix|bug|add feature"; then
  codex --model gpt-5-codex "$TASK"
elif echo "$TASK" | grep -qiE "architect|design|migrate|refactor"; then
  codex --model o3 "$TASK"
else
  codex --model gpt-5-codex "$TASK"
fi

# Bob's task distribution (200 tasks/month)

L0 (30%): o4-mini       → 60 × $0.001 = $0.06
L1 (40%): deepseek-coder → 80 × ¥0.01 = ¥0.80 ≈ $0.11
L2 (25%): gpt-5-codex    → 50 × $0.05 = $2.50
L3 (5%):  o3             → 10 × $0.30 = $3.00

Total: ~$5.67/month
If all o3: ~$60/month
Savings: 90%